JPH07323368A - Air hammer unit - Google Patents

Air hammer unit

Info

Publication number
JPH07323368A
JPH07323368A JP12145094A JP12145094A JPH07323368A JP H07323368 A JPH07323368 A JP H07323368A JP 12145094 A JP12145094 A JP 12145094A JP 12145094 A JP12145094 A JP 12145094A JP H07323368 A JPH07323368 A JP H07323368A
Authority
JP
Japan
Prior art keywords
chisel
air
inner cylinder
hammer
hit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12145094A
Other languages
Japanese (ja)
Inventor
Shinichiro Shiraiwa
慎一郎 白岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
K G K KK
SEISAN GIJUTSU KENKYUSHO KK
Nippon Steel Corp
Original Assignee
K G K KK
SEISAN GIJUTSU KENKYUSHO KK
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by K G K KK, SEISAN GIJUTSU KENKYUSHO KK, Nippon Steel Corp filed Critical K G K KK
Priority to JP12145094A priority Critical patent/JPH07323368A/en
Publication of JPH07323368A publication Critical patent/JPH07323368A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To enable the hitting to a position to be hit of various kinds of cast billets with a common air hammer unit. CONSTITUTION:An inner cylinder 3 elevated and lowered with a high pressure air is inserted into an outer cylinder 2 erected at a fixed position and an elevating body 9 moving back and forth in the axial direction in a fixed range is inserted into near the lower end in the inner cylinder 3. The elevating body 9 is advanced to the advanced end part by the motive power air supplied into the inner cylinder 3, and the inner cylinder 3 is advanced downward with the high pressure air supplied into the outer cylinder 2 together with the elevating body 9 and a chisel 11. When the chisel 11 hits to a sprue W1 of the cast billet W, the chisel 11 and the elevating body 9 are pushed back and relatively retreated to the inner cylinder 3. When the elevating body 9 is retreated to the retreated end part, the hammer body 10 starts the operation of moving back and forth and the chisel 11 is repeatedly hit and the sprue W1 of the cast billet W is hit with the chisel 11.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は自動車のエンジンヘッ
ド用,エンジンブロック用等の鋳造粗材に打撃作用を加
えて鋳造粗材内から砂などの中子を排出させるときに適
用されるエアハンマユニットに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is applied to an air hammer used for discharging cores such as sand from a casting rough material by applying a striking action to the casting rough material for automobile engine heads, engine blocks, etc. Regarding the unit.

【0002】[0002]

【従来の技術】図2に示す従来のこの種のエアハンマユ
ニットでは、昇降可能なフレ−ムに吊支されたシリンダ
50内の下端にはこのシリンダ50内へ供給される高圧
エアによって下降可能なハンマホルダ51が挿入され、
このハンマホルダ51内に装入されたハンマ体52がシ
リンダ50内へ供給される高圧エアによって下方および
上方へ進退動し、ハンマ52の進動時にチゼル53がハ
ンマ52によって叩打されるように構成されており、シ
リンダ50はチゼル53が鋳造粗材に形成された打撃用
受け座を狙って打撃することができるように打撃用受け
座の高さの測定結果によって昇降制御されて位置決めさ
れる。
2. Description of the Related Art In a conventional air hammer unit of this type shown in FIG. 2, the lower end of a cylinder 50 suspended by a vertically movable frame can be lowered by high pressure air supplied into the cylinder 50. A simple hammer holder 51 is inserted,
The hammer body 52 loaded in the hammer holder 51 is moved downward and upward by high pressure air supplied into the cylinder 50, and the chisel 53 is struck by the hammer 52 when the hammer 52 moves. Therefore, the cylinder 50 is positioned by being controlled up and down according to the measurement result of the height of the striking seat so that the chisel 53 can strike the striking seat formed on the casting rough material.

【0003】[0003]

【発明が解決しようとする課題】従来のエアハンマユニ
ットではシリンダ50が吊支されたフレ−ムとともにユ
ニット全体を昇降制御する必要があるので、装置全体の
高さが高くなる問題点があり、また、鋳造粗材の打撃用
受け座はその高さが不揃いでその位置が鋳造粗材の種別
によって異なっているので、ハンマホルダ51およびチ
ゼル53の移動範囲が制限される従来のエアハンマユニ
ットでは鋳造粗材の種別に対応して複数のエアハンマユ
ニットを設ける必要があり、また、チゼルが不適正な位
置から打撃用受け座を叩打すると、打撃用受け座が破損
する不具合がある。本発明は上記問題点を解消して鋳造
粗材の被打撃部位を1つの共通のユニットによって的確
に打撃することを課題とするものである。
In the conventional air hammer unit, since it is necessary to control the entire unit together with the frame on which the cylinder 50 is suspended, there is a problem that the height of the entire device becomes high. In addition, since the hitting seats for the cast rough material are not uniform in height and their positions are different depending on the type of the cast rough material, in the conventional air hammer unit in which the movement range of the hammer holder 51 and the chisel 53 is limited, It is necessary to provide a plurality of air hammer units corresponding to the types of rough materials, and if the chisel strikes the striking base from an incorrect position, the striking base will be damaged. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to accurately strike a hit portion of a cast rough material with one common unit.

【0004】[0004]

【課題を解決するための手段】本発明のエアハンマユニ
ットは、鋳造粗材の被打撃部位の直上の定位置に立設さ
れたアウタシリンダ内にはこのアウタシリンダ内へ供給
される高圧エアによって加圧されて昇降し、この高圧エ
アのエア圧より低いエア圧に設定された動力エアが内部
に供給されるインナシリンダを軸方向への移動可能に挿
通し、このインナシリンダ内の下端付近には前記動力エ
アによって駆動されて下方および上方へ進退動するハン
マ体が内部に装入されたハンマ装入部と、チゼルが軸方
向への移動可能に把持されたチゼル把持部とを有し、前
記動力エアによって加圧されて下方の前進端へ進出する
昇降体を、その後退端を規定した状態で挿通した構成を
有する。
In the air hammer unit of the present invention, the high pressure air supplied into the outer cylinder is erected in the outer cylinder erected at a fixed position immediately above the hit portion of the rough casting material. The inner cylinder, which is pressurized and moves up and down, and is supplied with power air whose air pressure is lower than the air pressure of this high-pressure air, is movably inserted in the axial direction. Has a hammer loading portion in which a hammer body that is driven by the power air and moves forward and backward downward is loaded, and a chisel holding portion in which a chisel is held so as to be movable in the axial direction, The lifting / lowering body that is pressurized by the power air and advances to the lower forward end is inserted with the backward end thereof defined.

【0005】[0005]

【作用】鋳造粗材の被打撃部位を打撃するに際し、イン
ナシリンダ内へ動力エアを送り込んで昇降体を前進端へ
進出させた状態でアウタシリンダ内へ高圧エアを送り込
むと、インナシリンダ3が昇降体およびチゼルとともに
下方へ前進する。チゼルが鋳造粗材に突当るまでインナ
シリンダが下降すると、インナシリンダを下方へ加圧す
る高圧エアと、昇降体を下方へ加圧する動力エアとの圧
力差によって昇降体およびチゼルがインナシリンダの下
降に伴って押戻されてインナシリンダに対して相対的に
後退し、昇降体およびチゼルが後退端でインナシリンダ
に対して位置決めされ、インナシリンダが前進端で静止
する。昇降体が後退端へ押戻された時点で、ハンマ体が
進退動動作を開始してチゼルがハンマ体によって繰り返
し叩打され、鋳造粗材の被打撃部位がチゼルによって繰
り返し打撃される。
When the high-pressure air is sent into the outer cylinder with the elevating body advanced to the forward end when the hitting portion of the rough casting material is hit, the inner cylinder 3 moves up and down. Advance downward with body and chisel. When the inner cylinder descends until the chisel hits the casting rough material, the lifting body and chisel are lowered due to the pressure difference between the high pressure air that presses the inner cylinder downward and the power air that presses the lifting body downward. Along with this, it is pushed back and retracts relatively to the inner cylinder, the lifting body and the chisel are positioned with respect to the inner cylinder at the retracted end, and the inner cylinder stands still at the advanced end. When the lifting / lowering body is pushed back to the retracted end, the hammer body starts the forward / backward movement, the chisel is repeatedly struck by the hammer body, and the hit portion of the rough casting material is repeatedly struck by the chisel.

【0006】[0006]

【発明の効果】本発明は前記したように構成してあるの
で、鋳造粗材を打撃するに際し、インナシリンダを昇降
体およびチゼルとともに鋳造粗材に向って前進させて鋳
造粗材の打撃に適した前進端位置へ自動的に進出させ、
チゼルが鋳造粗材を打撃する打撃位置を鋳造粗材の被打
撃部位に合わせて自動的に位置決めすることができ、鋳
造粗材の被打撃部位の高さや形状が異っていても、被打
撃部位の高さを測定せずに被打撃部位に対して的確に打
撃作用を加えることができる。従って、鋳造粗材の被打
撃部位の高さや形状に対する順応性をエアハンマユニッ
トに持たせることができるので、被打撃部位を1つの共
通のユニットによって的確に打撃することができ、鋳造
粗材を打撃する打撃装置のコストを節減することができ
るとともに、エアハンマユニット全体を昇降制御する必
要がないので、ユニット全体の高さを低くしてエアハン
マユニットをコンパクト化することができる。
Since the present invention is constructed as described above, when hitting a cast raw material, the inner cylinder is advanced together with the lifting body and the chisel toward the cast raw material and is suitable for hitting the cast raw material. Automatically advance to the forward end position,
The chisel can automatically position the impact position where the cast rough material is impacted according to the impacted portion of the cast crude material, and the impacted portion of the cast crude material can be impacted even if the height and shape of the impacted portion are different. It is possible to apply a hitting action to the hit part accurately without measuring the height of the part. Therefore, since the air hammer unit can be provided with adaptability to the height and shape of the hit portion of the cast rough material, the hit portion can be hit accurately by one common unit, and the cast rough material can be hit. The cost of the striking device for striking can be reduced, and since it is not necessary to control the elevation of the entire air hammer unit, the height of the entire unit can be reduced and the air hammer unit can be made compact.

【0007】[0007]

【実施例】次に、本発明の1実施例を図面にしたがって
説明する。エアハンマユニットHは鋳造粗材Wに打撃作
用を加えて鋳造粗材W内から砂などの中子を排出させる
目的で設置され、鋳造粗材Wは各種鋳造粗材に共通して
形成され、被打撃部位となる湯口W1を上にして図示し
ないワ−ク支持テ−ブルに固定される。
An embodiment of the present invention will be described below with reference to the drawings. The air hammer unit H is installed for the purpose of ejecting a core such as sand from the casting rough material W by applying a striking action to the casting rough material W, and the casting rough material W is formed commonly to various casting rough materials, It is fixed to a work support table (not shown) with the sprue W1 serving as a hit portion facing upward.

【0008】エアハンマユニットHはワ−ク支持テ−ブ
ルの上方に水平状に設置された固定フレ−ム1に鋳造粗
材Wの湯口W1の直上位置で取付けられている。
The air hammer unit H is attached to a fixed frame 1 installed horizontally above the work supporting table at a position directly above the gate W1 of the rough casting material W.

【0009】固定フレ−ム1上にはこの固定フレ−ム1
に固定された円筒状の本体部2aを有し、鋳造粗材Wの
湯口W1の直上に設置されたアウタシリンダ2が立設さ
れ、このアウタシリンダ2の本体部2aの上端にはシリ
ンダキャップ2bが結合されている。
The fixed frame 1 is provided on the fixed frame 1.
An outer cylinder 2 having a cylindrical main body 2a fixed to the casting cylinder is installed directly above the sprue W1 of the casting rough material W, and a cylinder cap 2b is provided at the upper end of the main body 2a of the outer cylinder 2. Are combined.

【0010】アウタシリンダ2の本体部2aの上端付近
および下端付近には高圧エアが送り込まれる下降用エア
入口2cおよび上昇用エア入口2dが開口されている。
A lowering air inlet 2c and a rising air inlet 2d into which high-pressure air is fed are opened near the upper end and the lower end of the main body 2a of the outer cylinder 2.

【0011】アウタシリンダ2内には上昇用エア入口2
dおよび下降用エア入口2cを通じてアウタシリンダ2
内へ供給される高圧エア(例えば5.5kg/cm2
によって下方へ前進および上方へ後退するインナシリン
ダ3が同心状で軸方向への移動可能に挿通されている。
A rising air inlet 2 is provided in the outer cylinder 2.
d and the air inlet 2c for descending, the outer cylinder 2
High-pressure air (for example, 5.5 kg / cm 2 ) supplied to the inside
The inner cylinder 3 that advances downward and retracts upward is concentrically inserted so as to be movable in the axial direction.

【0012】インナシリンダ3の本体部3aの下端は固
定フレ−ム1の孔部1a内に遊挿され、本体部3aの外
周面にはアウタシリンダ2内を上エア室2eと下エア室
2fとに仕切る仕切り片4が突設されている。
The lower end of the main body 3a of the inner cylinder 3 is loosely inserted into the hole 1a of the fixed frame 1, and the outer cylinder 2 has an upper air chamber 2e and a lower air chamber 2f on the outer peripheral surface of the main body 3a. A partition piece 4 is provided so as to partition into and.

【0013】インナシリンダ3の本体部3aの上端には
ヘッドキャップ3bが結合され、本体部3a内にはその
上部に挿入された内筒状のスリ−ブ5と、下部に挿入さ
れた内筒状のホルダ6と、スリ−ブ5およびホルダ6に
よって挟止されたインナキャップ7とがそれぞれ移動不
能に装入され、ホルダ6の下端付近にはその軸孔より孔
径が拡大されたスライド孔6aと、このスライド孔6a
の上端に連接された段部6bとが形成されている。
A head cap 3b is coupled to the upper end of the body portion 3a of the inner cylinder 3, and an inner cylindrical sleeve 5 inserted into the upper portion of the body portion 3a and an inner cylinder inserted into the lower portion. -Shaped holder 6 and the sleeve 5 and the inner cap 7 clamped by the holder 6 are respectively immovably inserted, and a slide hole 6a having a diameter larger than that of the shaft hole is provided near the lower end of the holder 6. And this slide hole 6a
And a stepped portion 6b connected to the upper end of the.

【0014】インナシリンダ3の上部の中心部には下端
がインナキャップ7に結合されて上端がエア供給管路に
接続され、アウタシリンダ2内へ供給される高圧エアの
エア圧より低いエア圧(例えば1.8〜2.2kg/c
2 )に設定された動力エアをインナシリンダ3内へ供
給する動力エア供給管8が挿通されている。
At the center of the upper portion of the inner cylinder 3, the lower end is connected to the inner cap 7 and the upper end is connected to the air supply pipe line, and the air pressure lower than the air pressure of the high pressure air supplied into the outer cylinder 2 ( For example, 1.8 to 2.2 kg / c
The power air supply pipe 8 for supplying the power air set to m 2 ) into the inner cylinder 3 is inserted.

【0015】インナシリンダ3内の下端付近にはホルダ
6のスライド孔6a内に上端付近が軸方向への移動可能
に密嵌されてインナシリンダ3内へ供給される動力エア
によって鋳造粗材W側の前進端へ進出する昇降体9が、
その後退端がホルダ6の段部6bによって規定された状
態で軸方向への移動可能に挿通されている。
Near the lower end of the inner cylinder 3, the upper end of the holder 6 is tightly fitted in the slide hole 6a so that the holder 6 can move in the axial direction. Lifting body 9 that advances to the forward end of
The retracted end is inserted so as to be movable in the axial direction in a state defined by the stepped portion 6b of the holder 6.

【0016】昇降体9の上端にはインナホルダ6内の動
力エアのエア圧を受ける受圧部9aが形成され、この受
圧部9aの下方に形成された円筒状のハンマ装入部9b
内には円柱状のハンマ体10が軸方向への移動可能に密
嵌され、ハンマ装入部9b内のハンマ体10の上下方に
はハンマ体10を昇降させる動力エアが供給および排出
される上下エア室9cが形成され、ハンマ装入部9bの
下方に形成されたチゼル把持部9dには鋳造粗材Wの湯
口W1を打撃する断面十形状の刃部11aが先端に形成
されたチゼル11の上部が軸方向への移動可能に把持さ
れている。
A pressure receiving portion 9a for receiving the air pressure of the power air in the inner holder 6 is formed at the upper end of the lifting body 9, and a cylindrical hammer loading portion 9b formed below the pressure receiving portion 9a.
A cylindrical hammer body 10 is tightly fitted therein so as to be movable in the axial direction, and power air for moving the hammer body 10 up and down is supplied to and discharged from above and below the hammer body 10 in the hammer loading portion 9b. The upper and lower air chambers 9c are formed, and the chisel holding portion 9d formed below the hammer charging portion 9b is provided with a chisel 11 having a blade portion 11a having a ten-shaped cross section for hitting the sprue W1 of the casting rough material W at its tip. Is gripped so that it can move in the axial direction.

【0017】チゼル11には上端部が昇降体9のチゼル
把持部9dに係止されたスプリング12の下端部が係止
され、下降したチゼル11はスプリング12によって上
方へ引戻される。
The lower end of the spring 12 whose upper end is locked to the chisel holding portion 9d of the lifting body 9 is locked to the chisel 11, and the lowered chisel 11 is pulled back upward by the spring 12.

【0018】ハンマ体10は昇降体9が上昇端へ後退し
た状態で動力エアが昇降体9のエア室9c内へ供給され
たときに上方へ退動し、動力エアが上エア室9c内へ供
給されたときに下方へ進動してチゼル11を叩打する。
The hammer body 10 retreats upward when the power air is supplied into the air chamber 9c of the lift body 9 with the lift body 9 retracted to the rising end, and the power air enters the upper air chamber 9c. When supplied, it moves downward and taps the chisel 11.

【0019】インナシリンダ3の下端面にはチゼル11
の落下を防止する中空状のチゼルキャップ13の上端の
フランジ部がねじ止めされ、このチゼルキャップ13の
下端の中心部にはチゼル11の下部が挿通されたガイド
孔13aが貫設されている。
A chisel 11 is attached to the lower end surface of the inner cylinder 3.
The flange portion of the upper end of the hollow chisel cap 13 for preventing the falling of the chisel cap 13 is screwed, and a guide hole 13a through which the lower portion of the chisel 11 is inserted is provided at the center of the lower end of the chisel cap 13.

【0020】チゼルキャップ13にねじによって結合さ
れて側方へ横出された支持部材14には鋳造粗材Wの一
部に当接して上方へ退動し、退動端でインナシリンダ3
の下降端位置を規定するワ−ク押え15が上下方向への
スライド可能に嵌挿され、このワ−ク押え15の下部に
はワ−ク押え15を下方へ付勢するスプリング16が外
嵌されている。ワ−ク押え15はチゼル11が鋳造粗材
Wの湯口W1に突当って昇降体9がインナシリンダ3に
対して後退端へ後退した直後に鋳造粗材Wの上面に当接
する。
The supporting member 14 which is connected to the chisel cap 13 by a screw and is laterally projected laterally abuts a part of the casting rough material W and retracts upward, and at the retracting end, the inner cylinder 3
A work clamp 15 that defines the lower end position of the work clamp is inserted so as to be slidable in the vertical direction, and a spring 16 that biases the work clamp 15 downward is externally fitted to the lower part of the work clamp 15. Has been done. The work presser 15 comes into contact with the upper surface of the casting rough material W immediately after the chisel 11 hits the gate W1 of the casting rough material W and the elevating body 9 retreats to the retreat end with respect to the inner cylinder 3.

【0021】鋳造粗材Wの湯口Wをチゼル11によって
打撃するに際し、インナシリンダ3内へ動力エアを送り
込んで昇降体9を前進端へ進出させた状態でアウタシリ
ンダ2の上エア室2e内へ高圧エアを送り込んでインナ
シリンダ3を昇降体9およびチゼル11とともに下方へ
前進させる。チゼル11が鋳造粗材Wの湯口W1に突当
るまでインナシリンダ3が下降すると、インナシリンダ
3を下方へ加圧する高圧エアと、昇降体9を下方へ加圧
する動力エアとの圧力差によって昇降体9およびチゼル
11がインナシリンダ3の下降に伴って湯口W1によっ
て押戻されてインナシリンダ3に対して相対的に後退
し、昇降体9およびチゼル11が後退端でインナシリン
ダ3に対して位置決めされ、ワ−ク押え15が鋳造粗材
Wの上面に当接してインナシリンダ3が前進端で静止す
る。昇降体9が後退端へ押戻された時点で、ハンマ体1
0が進退動動作を開始してチゼル11がハンマ体10に
よって繰り返し叩打され、鋳造粗材Wの湯口W1がチゼ
ル11によって繰り返し打撃される。
When the sprue W of the casting rough material W is hit by the chisel 11, power air is sent into the inner cylinder 3 to advance the lifting body 9 to the forward end into the upper air chamber 2e of the outer cylinder 2. High-pressure air is sent to move the inner cylinder 3 forward together with the lifting body 9 and the chisel 11. When the inner cylinder 3 descends until the chisel 11 hits the sprue W1 of the rough casting W, the pressure difference between the high pressure air that presses the inner cylinder 3 downward and the power air that presses the lifting body 9 downward causes the lifting body to move. 9 and the chisel 11 are pushed back by the gate W1 as the inner cylinder 3 descends and retract relative to the inner cylinder 3, and the lifting body 9 and the chisel 11 are positioned with respect to the inner cylinder 3 at the retracted ends. The work presser 15 comes into contact with the upper surface of the casting rough material W so that the inner cylinder 3 stands still at the forward end. When the lifting body 9 is pushed back to the backward end, the hammer body 1
0 starts the forward / backward movement, the chisel 11 is repeatedly beaten by the hammer body 10, and the sprue W1 of the casting rough material W is repeatedly hit by the chisel 11.

【0022】本例では上記したように構成してあるの
で、鋳造粗材Wを打撃するに際し、インナシリンダ3を
昇降体9およびチゼル11とともに鋳造粗材Wに向って
前進させて鋳造粗材Wの打撃に適した前進端位置へ自動
的に進出させ、チゼル11が鋳造粗材Wを打撃する打撃
位置を鋳造粗材Wの被打撃部位に合わせて自動的に位置
決めすることができ、鋳造粗材Wの被打撃部位の高さや
形状が異っていても、被打撃部位の高さを測定せずに被
打撃部位に対して的確に打撃作用を加えることができ
る。
In this embodiment, since the structure is as described above, when the casting rough material W is hit, the inner cylinder 3 is advanced together with the lifting body 9 and the chisel 11 toward the casting rough material W so that the casting rough material W is moved. Can be automatically advanced to a forward end position suitable for hitting, and the hitting position where the chisel 11 hits the casting rough material W can be automatically positioned in accordance with the hit portion of the casting rough material W. Even if the height and shape of the hit portion of the material W are different, the hitting action can be accurately applied to the hit portion without measuring the height of the hit portion.

【0023】従って、鋳造粗材Wの被打撃部位の高さや
形状に対する順応性をエアハンマユニットHに持たせる
ことができるので、被打撃部位1つの共通のユニットに
よって的確に打撃することができ、鋳造粗材Wを打撃す
る打撃装置のコストを節減することができるとともに、
エアハンマユニットH全体を昇降制御する必要がないの
で、ユニット全体の高さを低くしてエアハンマユニット
Hをコンパクト化することができる。
Therefore, since the air hammer unit H can be provided with adaptability to the height and shape of the hit portion of the casting rough material W, the hit portion can be hit accurately by a common unit. It is possible to reduce the cost of the striking device that strikes the casting rough material W, and
Since it is not necessary to control the elevation of the entire air hammer unit H, the height of the entire unit can be reduced and the air hammer unit H can be made compact.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の1実施例を示すエアハンマユニットの
縦断面図である。
FIG. 1 is a vertical sectional view of an air hammer unit showing an embodiment of the present invention.

【図2】従来のエアハンマユニットの縦断面図である。FIG. 2 is a vertical sectional view of a conventional air hammer unit.

【符号の説明】[Explanation of symbols]

2 アウタシリンダ 3 インナシリンダ 9 昇降体 10 ハンマ体 11 チゼル H エアハンマユニット W 鋳造粗材 W1 湯口(被打撃部位) 2 Outer cylinder 3 Inner cylinder 9 Lifting body 10 Hammer body 11 Chisel H Air hammer unit W Cast rough material W1 Gate (Striking part)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 鋳造粗材の被打撃部位の直上の定位置に
立設されたアウタシリンダ内にはこのアウタシリンダ内
へ供給される高圧エアによって加圧されて昇降し、この
高圧エアのエア圧より低いエア圧に設定された動力エア
が内部に供給されるインナシリンダを軸方向への移動可
能に挿通し、このインナシリンダ内の下端付近には前記
動力エアによって駆動されて下方および上方へ進退動す
るハンマ体が内部に装入されたハンマ装入部と、チゼル
が軸方向への移動可能に把持されたチゼル把持部とを有
し、前記動力エアによって加圧されて下方の前進端へ進
出する昇降体を、その後退端を規定した状態で挿通した
ことを特徴とするエアハンマユニット。
1. A high pressure air supplied into the outer cylinder pressurizes and moves up and down in an outer cylinder erected at a fixed position immediately above a hitting portion of a rough casting material. The inner cylinder, into which the power air set to a pressure lower than the air pressure is supplied, is movably inserted in the axial direction, and the lower end of the inner cylinder is driven by the power air to move downward and upward. It has a hammer loading part in which a hammer body that moves forward and backward is loaded, and a chisel gripping part in which the chisel is gripped so as to be movable in the axial direction, and the lower forward end is pressed by the power air. An air hammer unit characterized in that an elevating body that advances to is inserted with the retracted end thereof being defined.
JP12145094A 1994-06-02 1994-06-02 Air hammer unit Pending JPH07323368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12145094A JPH07323368A (en) 1994-06-02 1994-06-02 Air hammer unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12145094A JPH07323368A (en) 1994-06-02 1994-06-02 Air hammer unit

Publications (1)

Publication Number Publication Date
JPH07323368A true JPH07323368A (en) 1995-12-12

Family

ID=14811440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12145094A Pending JPH07323368A (en) 1994-06-02 1994-06-02 Air hammer unit

Country Status (1)

Country Link
JP (1) JPH07323368A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101961781A (en) * 2010-08-31 2011-02-02 温州瑞明工业股份有限公司 Reducing piled force-expanding type oil cylinder opening-closing device and using method thereof
CN106660113A (en) * 2014-06-09 2017-05-10 欧姆乐2000有限公司 De-coring vibrator or pneumatic hammer for de-coring of foundry castings with back connectors
CN110214062A (en) * 2017-01-24 2019-09-06 费尔有限公司 Decoring hammer for being decored to casting workpiece
WO2020163886A1 (en) * 2019-02-11 2020-08-20 Fill Gesellschaft M.B.H. Decoring hammer for decoring castings and decoring machine and method for decoring a casting

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5754218A (en) * 1980-09-18 1982-03-31 Mazda Motor Corp Salt quenching method
JPS6368257A (en) * 1986-09-10 1988-03-28 Hitachi Metals Ltd Removing apparatus for core sand in casting
JPS63191579A (en) * 1985-11-15 1988-08-09 森下 善次 Hammer vacuum device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5754218A (en) * 1980-09-18 1982-03-31 Mazda Motor Corp Salt quenching method
JPS63191579A (en) * 1985-11-15 1988-08-09 森下 善次 Hammer vacuum device
JPS6368257A (en) * 1986-09-10 1988-03-28 Hitachi Metals Ltd Removing apparatus for core sand in casting

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101961781A (en) * 2010-08-31 2011-02-02 温州瑞明工业股份有限公司 Reducing piled force-expanding type oil cylinder opening-closing device and using method thereof
CN106660113A (en) * 2014-06-09 2017-05-10 欧姆乐2000有限公司 De-coring vibrator or pneumatic hammer for de-coring of foundry castings with back connectors
CN110214062A (en) * 2017-01-24 2019-09-06 费尔有限公司 Decoring hammer for being decored to casting workpiece
CN110214062B (en) * 2017-01-24 2022-02-01 费尔有限公司 Core removing hammer for removing core of cast workpiece
WO2020163886A1 (en) * 2019-02-11 2020-08-20 Fill Gesellschaft M.B.H. Decoring hammer for decoring castings and decoring machine and method for decoring a casting
CN113316493A (en) * 2019-02-11 2021-08-27 费尔有限公司 Core removing hammer for removing core from casting, core removing machine and method for removing core from casting

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